立即通知工程部，由其查找原因，在短时间内可以恢复供煤气，可以等待供气恢复后按计划继续工作。
Informengineering department immediately to find out the cause. If problem could besolved in a short time, continue to work according to the original schedule rightafter the gas supply resumption.
通过推导公式计算快速切断阀的允许切断时间，并总结燃气锅炉供气系统中快速切断阀的选择方法。
The allowable shut-off time of fast shut-off valve is calculated by inferred formula and selection way of fast shut-off valve in the gas supply system of gas burning boiler is summarised.
影响微气泡脱氢效果的主要因素有：旋转喷枪的转速、供气量、喷枪枪头结构和处理时间等。
The main factors which affect the efficiency of de hydrogenation of molten steel are as follows:rotating speed of lance, gas flow, treating time and structure of lance head etc.
应用推荐